[INFO] fetching crate tcalc 1.7.16...
[INFO] checking tcalc-1.7.16 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate tcalc 1.7.16 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tcalc 1.7.16 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcalc 1.7.16
[INFO] finished tweaking crates.io crate tcalc 1.7.16
[INFO] tweaked toml for crates.io crate tcalc 1.7.16 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tcalc 1.7.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded backtrace v0.3.12
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded tcalc-rustyline v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2af38abfc4ba6f074d54393779b668c53913458b931dc6d44ce048f5cbfc5ded
[INFO] running `Command { std: "docker" "start" "-a" "2af38abfc4ba6f074d54393779b668c53913458b931dc6d44ce048f5cbfc5ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af38abfc4ba6f074d54393779b668c53913458b931dc6d44ce048f5cbfc5ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af38abfc4ba6f074d54393779b668c53913458b931dc6d44ce048f5cbfc5ded", kill_on_drop: false }`
[INFO] [stdout] 2af38abfc4ba6f074d54393779b668c53913458b931dc6d44ce048f5cbfc5ded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07f885771d3180251c38ff81a5051fb0fee0e33791f1163a58ca921a1380d8a5
[INFO] running `Command { std: "docker" "start" "-a" "07f885771d3180251c38ff81a5051fb0fee0e33791f1163a58ca921a1380d8a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tcalc-rustyline v1.0.2
[INFO] [stderr]     Checking tcalc v1.7.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "07f885771d3180251c38ff81a5051fb0fee0e33791f1163a58ca921a1380d8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f885771d3180251c38ff81a5051fb0fee0e33791f1163a58ca921a1380d8a5", kill_on_drop: false }`
[INFO] [stdout] 07f885771d3180251c38ff81a5051fb0fee0e33791f1163a58ca921a1380d8a5