[INFO] fetching crate activitystreams 0.7.0-alpha.25...
[INFO] checking activitystreams-0.7.0-alpha.25 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate activitystreams 0.7.0-alpha.25 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate activitystreams 0.7.0-alpha.25 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate activitystreams 0.7.0-alpha.25
[INFO] finished tweaking crates.io crate activitystreams 0.7.0-alpha.25
[INFO] tweaked toml for crates.io crate activitystreams 0.7.0-alpha.25 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate activitystreams 0.7.0-alpha.25 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.166
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded activitystreams-kinds v0.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded serde v1.0.166
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded iri-string v0.7.0
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded serde_json v1.0.100
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7524cbc64b2b3a51392aae3c569cb876bb35d9abe69724936a046183d9440021
[INFO] running `Command { std: "docker" "start" "-a" "7524cbc64b2b3a51392aae3c569cb876bb35d9abe69724936a046183d9440021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7524cbc64b2b3a51392aae3c569cb876bb35d9abe69724936a046183d9440021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7524cbc64b2b3a51392aae3c569cb876bb35d9abe69724936a046183d9440021", kill_on_drop: false }`
[INFO] [stdout] 7524cbc64b2b3a51392aae3c569cb876bb35d9abe69724936a046183d9440021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c930ec2a4afe1c30ec918955cbf292de9caa7937beb920d17e505ebdff16f303
[INFO] running `Command { std: "docker" "start" "-a" "c930ec2a4afe1c30ec918955cbf292de9caa7937beb920d17e505ebdff16f303", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]     Checking iri-string v0.7.0
[INFO] [stderr]     Checking activitystreams-kinds v0.3.0
[INFO] [stderr]     Checking activitystreams v0.7.0-alpha.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/activity.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/collection.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/link.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/activity.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/collection.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/link.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.04s
[INFO] running `Command { std: "docker" "inspect" "c930ec2a4afe1c30ec918955cbf292de9caa7937beb920d17e505ebdff16f303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c930ec2a4afe1c30ec918955cbf292de9caa7937beb920d17e505ebdff16f303", kill_on_drop: false }`
[INFO] [stdout] c930ec2a4afe1c30ec918955cbf292de9caa7937beb920d17e505ebdff16f303
[INFO] checking activitystreams-0.7.0-alpha.25 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate activitystreams 0.7.0-alpha.25 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate activitystreams 0.7.0-alpha.25 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate activitystreams 0.7.0-alpha.25
[INFO] finished tweaking crates.io crate activitystreams 0.7.0-alpha.25
[INFO] tweaked toml for crates.io crate activitystreams 0.7.0-alpha.25 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate activitystreams 0.7.0-alpha.25 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f9b004f4845beeaf7622408470f36c6c15fa7fe53003a344e875250e4ed5891
[INFO] running `Command { std: "docker" "start" "-a" "6f9b004f4845beeaf7622408470f36c6c15fa7fe53003a344e875250e4ed5891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f9b004f4845beeaf7622408470f36c6c15fa7fe53003a344e875250e4ed5891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9b004f4845beeaf7622408470f36c6c15fa7fe53003a344e875250e4ed5891", kill_on_drop: false }`
[INFO] [stdout] 6f9b004f4845beeaf7622408470f36c6c15fa7fe53003a344e875250e4ed5891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00d5eb60d3c175dd717ff6c47d098b288ef8b0d3e6b21f910af22e895138569b
[INFO] running `Command { std: "docker" "start" "-a" "00d5eb60d3c175dd717ff6c47d098b288ef8b0d3e6b21f910af22e895138569b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]     Checking iri-string v0.7.0
[INFO] [stderr]     Checking activitystreams-kinds v0.3.0
[INFO] [stderr]     Checking activitystreams v0.7.0-alpha.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/activity.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/collection.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/link.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/activity.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/collection.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/link.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "00d5eb60d3c175dd717ff6c47d098b288ef8b0d3e6b21f910af22e895138569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d5eb60d3c175dd717ff6c47d098b288ef8b0d3e6b21f910af22e895138569b", kill_on_drop: false }`
[INFO] [stdout] 00d5eb60d3c175dd717ff6c47d098b288ef8b0d3e6b21f910af22e895138569b