[INFO] fetching crate db-dump 0.4.10...
[INFO] checking db-dump-0.4.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate db-dump 0.4.10 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate db-dump 0.4.10 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 db-dump 0.4.10
[INFO] finished tweaking crates.io crate db-dump 0.4.10
[INFO] tweaked toml for crates.io crate db-dump 0.4.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate db-dump 0.4.10 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]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.17.7
[INFO] [stderr]   Downloaded portable-atomic v1.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f26c0fba8f900cf9255d0e1b7694bd930ad8ecb45aba95df5c515ee875b96417
[INFO] running `Command { std: "docker" "start" "-a" "f26c0fba8f900cf9255d0e1b7694bd930ad8ecb45aba95df5c515ee875b96417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f26c0fba8f900cf9255d0e1b7694bd930ad8ecb45aba95df5c515ee875b96417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26c0fba8f900cf9255d0e1b7694bd930ad8ecb45aba95df5c515ee875b96417", kill_on_drop: false }`
[INFO] [stdout] f26c0fba8f900cf9255d0e1b7694bd930ad8ecb45aba95df5c515ee875b96417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4224267095adca10e1f44ffc726dfd5c775778e059d9c9435a19db215f9de96c
[INFO] running `Command { std: "docker" "start" "-a" "4224267095adca10e1f44ffc726dfd5c775778e059d9c9435a19db215f9de96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking db-dump v0.4.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> examples/crate-downloads.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chrono::{Date, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> examples/crate-downloads.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut downloads = Map::<Date<Utc>, u64>::new();
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> examples/user-downloads.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::{Date, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> examples/user-downloads.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut downloads = Map::<Date<Utc>, Downloads>::new();
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> examples/total-downloads.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::{Date, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> examples/total-downloads.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut downloads = Map::<Date<Utc>, u64>::new();
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.81s
[INFO] running `Command { std: "docker" "inspect" "4224267095adca10e1f44ffc726dfd5c775778e059d9c9435a19db215f9de96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4224267095adca10e1f44ffc726dfd5c775778e059d9c9435a19db215f9de96c", kill_on_drop: false }`
[INFO] [stdout] 4224267095adca10e1f44ffc726dfd5c775778e059d9c9435a19db215f9de96c
[INFO] checking db-dump-0.4.10 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate db-dump 0.4.10 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate db-dump 0.4.10 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 db-dump 0.4.10
[INFO] finished tweaking crates.io crate db-dump 0.4.10
[INFO] tweaked toml for crates.io crate db-dump 0.4.10 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate db-dump 0.4.10 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 24056362ee1e30aedd175b619406307b3c8c6f74cdbc1ab934b3b3afabecbb5c
[INFO] running `Command { std: "docker" "start" "-a" "24056362ee1e30aedd175b619406307b3c8c6f74cdbc1ab934b3b3afabecbb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24056362ee1e30aedd175b619406307b3c8c6f74cdbc1ab934b3b3afabecbb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24056362ee1e30aedd175b619406307b3c8c6f74cdbc1ab934b3b3afabecbb5c", kill_on_drop: false }`
[INFO] [stdout] 24056362ee1e30aedd175b619406307b3c8c6f74cdbc1ab934b3b3afabecbb5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7ec34c3aecdc4fae18e85014fe86aba44f493da03d4e7c0e259494a861ecfe7b
[INFO] running `Command { std: "docker" "start" "-a" "7ec34c3aecdc4fae18e85014fe86aba44f493da03d4e7c0e259494a861ecfe7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking db-dump v0.4.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> examples/total-downloads.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::{Date, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> examples/user-downloads.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::{Date, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> examples/total-downloads.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut downloads = Map::<Date<Utc>, u64>::new();
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> examples/user-downloads.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut downloads = Map::<Date<Utc>, Downloads>::new();
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]  --> examples/crate-downloads.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chrono::{Date, Utc};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `chrono::Date`: Use `NaiveDate` or `DateTime<Tz>` instead
[INFO] [stdout]   --> examples/crate-downloads.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut downloads = Map::<Date<Utc>, u64>::new();
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `Command { std: "docker" "inspect" "7ec34c3aecdc4fae18e85014fe86aba44f493da03d4e7c0e259494a861ecfe7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec34c3aecdc4fae18e85014fe86aba44f493da03d4e7c0e259494a861ecfe7b", kill_on_drop: false }`
[INFO] [stdout] 7ec34c3aecdc4fae18e85014fe86aba44f493da03d4e7c0e259494a861ecfe7b