[INFO] fetching crate slog-gelf 0.1.2...
[INFO] checking slog-gelf-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate slog-gelf 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate slog-gelf 0.1.2 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 slog-gelf 0.1.2
[INFO] finished tweaking crates.io crate slog-gelf 0.1.2
[INFO] tweaked toml for crates.io crate slog-gelf 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages
[INFO] [stderr]       Adding cargo_metadata v0.14.2 (latest: v0.18.1)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding hostname v0.1.5 (latest: v0.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-async v2.8.0
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3eacee5d8f4ecb2664384882443368733bb35f4d88d44bf40bbef6b93fb056d7
[INFO] running `Command { std: "docker" "start" "-a" "3eacee5d8f4ecb2664384882443368733bb35f4d88d44bf40bbef6b93fb056d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eacee5d8f4ecb2664384882443368733bb35f4d88d44bf40bbef6b93fb056d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eacee5d8f4ecb2664384882443368733bb35f4d88d44bf40bbef6b93fb056d7", kill_on_drop: false }`
[INFO] [stdout] 3eacee5d8f4ecb2664384882443368733bb35f4d88d44bf40bbef6b93fb056d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2253fbde01e2b2d24da76346965be901e79424d07e756f918a843d1618dbef99
[INFO] running `Command { std: "docker" "start" "-a" "2253fbde01e2b2d24da76346965be901e79424d07e756f918a843d1618dbef99", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking cargo_metadata v0.14.2
[INFO] [stderr]     Checking skeptic v0.13.7
[INFO] [stderr]    Compiling slog-gelf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/chunked.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `slog` is imported redundantly
[INFO] [stdout]   --> src/level.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use slog;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate slog;
[INFO] [stdout]    | ------------------ the item `slog` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/chunked.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate rand;
[INFO] [stdout]   | ------------------ the item `rand` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `slog` is imported redundantly
[INFO] [stdout]   --> src/level.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use slog;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate slog;
[INFO] [stdout]    | ------------------ the item `slog` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `full_message` is never read
[INFO] [stdout]   --> src/message.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Message<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub full_message: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `full_message` is never read
[INFO] [stdout]   --> src/message.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Message<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub full_message: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `Command { std: "docker" "inspect" "2253fbde01e2b2d24da76346965be901e79424d07e756f918a843d1618dbef99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2253fbde01e2b2d24da76346965be901e79424d07e756f918a843d1618dbef99", kill_on_drop: false }`
[INFO] [stdout] 2253fbde01e2b2d24da76346965be901e79424d07e756f918a843d1618dbef99